paravirtualization status

Omar Khan
2007-05-08T19:23:35Z

hi,
What is the status of paravirtualization? Also when Ingo released his
paravirtualization patch and some results Avi noted that :

"Very impressive! The gain probably comes not only from avoiding the
vmentry/vmexit, but also from avoiding the flushing of the global page
tlb entries." [http://thread.gmane.org/gmane.linux.kernel/481084]

can someone please explain briefly what the "global page tlb entries" are?

Thanks
Omar Khan

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